Art. 36. 1. In the relations between Powers which are bound by the Conventions of The Hague concerning the Laws and Customs of War on Land (IV) and concerning Naval Bombardment in Time of War (IX), whether those of 29 July 1899 or those of 18 October 1907, and which are Parties to the present Convention, this last Convention shall be supplementary to the aforementioned Convention (IX) and to the Regulations annexed to the aforementioned Convention (IV) and shall substitute for the emblem described in Article 5 of the aforementioned Convention (IX) the emblem described in Article 16 of the Present Convention, in cases in which the present Convention and the Regulations for its execution provide for the use of this distinctive emblem. 2. In the relations between Powers which are bound by the Washington Pact of 15 April 1935 for the Protection of Artistic and Scientific Institutions and of Historic Monuments (Roerich Pact) and which are Parties to the present Convention, the latter Convention shall be supplementary to the Roerich Pact and shall substitute for the distinguishing flag described in Article III of the Pact the emblem defined in Article 16 of the present Convention, in cases in which the present Convention and the Regulations for its execution provide for the use of this distinctive emblem.